:root{--bg:#fbfaf8;--fg:#1c1b19;--muted:#6b6862;--line:#e2ded7;--card:#fff;--accent:#7c3aed;--accent-fg:#fff;--warn-bg:#fff8e6;--warn-line:#e8d9a8;--ok:#157347;--err:#b42318}@media (prefers-color-scheme:dark){:root{--bg:#16151a;--fg:#ece9e4;--muted:#a09b93;--line:#302d36;--card:#1e1d23;--warn-bg:#2a2418;--warn-line:#4a3f26;--ok:#4ade80;--err:#f87171}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:44rem;margin:0 auto;padding:2.5rem 1.25rem 5rem}h1{letter-spacing:-.01em;margin:0 0 .35rem;font-size:1.6rem;line-height:1.25}h2{letter-spacing:-.01em;margin:2rem 0 .75rem;font-size:1.1rem}p{margin:0 0 1rem}a{color:var(--accent)}.sub{color:var(--muted);margin-bottom:2rem}nav.top{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;padding-bottom:1.25rem;font-size:.9rem;display:flex}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:1.25rem;padding:1.25rem}label{color:var(--muted);margin-bottom:.35rem;font-size:.85rem;display:block}input,textarea{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--fg);font:inherit;border-radius:7px;padding:.6rem .7rem;font-size:.95rem}textarea{resize:vertical;min-height:4.5rem}button{font:inherit;border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);cursor:pointer;border-radius:7px;padding:.6rem 1.1rem;font-weight:600}button:disabled{opacity:.55;cursor:not-allowed}button.secondary{color:var(--fg);border-color:var(--line);background:0 0}.row{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}code,pre,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem}pre{background:var(--bg);border:1px solid var(--line);border-radius:7px;margin:0;padding:.8rem;overflow-x:auto}.addr{word-break:break-all;line-height:1.45}.balance{letter-spacing:-.02em;font-size:1.8rem;font-weight:700}.muted{color:var(--muted)}.small{font-size:.85rem}.ok{color:var(--ok)}.err{color:var(--err)}.warn{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:8px;margin-bottom:1.25rem;padding:.7rem .9rem;font-size:.85rem}.status{min-height:1.4rem;color:var(--muted);margin-top:.8rem;font-size:.88rem}.status.busy:before{content:"";border:2px solid var(--muted);vertical-align:-1px;border-top-color:#0000;border-radius:50%;width:.7rem;height:.7rem;margin-right:.45rem;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}